Camera error

Just wondering if anyone could help with the error I'm getting for camera capture:

Debug: viewfinderStartFailed signal received with error 2Debug: photoCaptureFailed signal received with error 4Debug: photoCaptureFailed signal received with error 4Debug: photoCaptureFailed signal received with error 4Debug: photoCaptureFailed signal received with error 4Debug: photoCaptureFailed signal received with error 4Debug: photoCaptureFailed signal received with error 4